| IVP | intravenous push; intravenous pyelogram, intravenous pyelography; intraventricular pressure |
|---|---|
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| IDU | idoxuridine; injection or intravenous drug user; iododeoxyuridine |
| IVC | inferior vena cava; inspiratory vital capacity; integrated vector control; intravascular coagulation... |
| IVDA/IVDU | intravenous drug abuse/ abuser; intravenous drug use/user |